1.\" 2.\" Copyright (c) 2006 Craig Rodrigues 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. The name of the author may not be used to endorse or promote products 14.\" derived from this software without specific prior written permission 15.\" 16.\" THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26.\" 27.\" $FreeBSD$ 28.\" 29.Dd December 7, 2021 30.Dt EXT2FS 5 31.Os 32.Sh NAME 33.Nm ext2fs 34.Nd "ext2/ext3 file system" 35.Sh SYNOPSIS 36To link into the kernel: 37.Bd -ragged -offset indent 38.Cd "options EXT2FS" 39.Ed 40.Pp 41To load as a kernel loadable module: 42.Pp 43.Dl "kldload ext2fs" 44.Sh DESCRIPTION 45The 46.Nm 47driver will permit the 48.Dx 49kernel to access 50ext2 and ext3 51file systems. 52Journalling is currently not supported. 53.Sh EXAMPLES 54To mount a 55.Nm 56volume located on 57.Pa /dev/da1s1 : 58.Pp 59.Dl "mount_ext2fs /dev/da1s1 /mnt" 60.Sh SEE ALSO 61.Xr mount 2 , 62.Xr unmount 2 , 63.Xr fstab 5 , 64.Xr mount 8 65.Sh HISTORY 66The 67.Nm 68driver first appeared in 69.Fx 2.2 . 70It was ported to 71.Dx 5.9 72by 73.An Tomohiro Kusumi Aq Mt tkusumi@netbsd.org . 74.Sh AUTHORS 75.An -nosplit 76The 77.Nm 78kernel implementation is derived from code written, 79or modified, 80by 81.An Godmar Back 82using the UFS CSRG sources for CMU Mach. 83.Pp 84.An John Dyson 85did the initial port to 86.Fx . 87.An Aditya Sarawgi 88merged important parts of the allocation code from a clean-room 89.Nx 90implementation. 91.\".An Zheng Liu 92.\"and 93.\".An Fedor Upurov 94.\"implemented the read and write support respectively for 95.\".Em ext4 96.\"filesystems. 97The 98.Fx 99community has contributed a huge amount of modifications. 100.Pp 101The initial version of this manual page was written by 102.An Craig Rodrigues Aq Mt rodrigc@FreeBSD.org . 103